/Engine/Source/Editor/PropertyEditor/Public/DetailLayoutBuilder.h
Adds a custom row to the property's category automatically. Useful in detail customizations which want to preserve categories.
the detail widget that can be further customized.
[FDetailWidgetRow](API\Editor\PropertyEditor\FDetailWidgetRow) & AddCustomRowToCategory ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) > InPropertyHandle, const [FText](API\Runtime\Core\Internationalization\FText) & InCustomSearchString, bool bForAdvanced )